A city which is an example to follow for Barack Obama

Pittsburgh, a town in western Pennsylvania which
today receives the summit of the Group of 20 leading nations (G-20),
with its history, it will surely impress diplomats, economists and
journalists visitors. Today Pittsburgh accommodates companies that
generate hundreds of billions of dollars, such as HJ Heinz, Alcoa, U.S.
Steel and PNC Financial Services Group. The needs of its aging
population helped to foster medical research. The presence of research
schools such as Carnegie Mellon University contributed with the
development and emergence of start-ups companies specializing in the
areas of software, biotechnology, and renewable energy.